I will introduce the characters of Melody And Small Sparkles. It may help you to understand better. Like last time, there are a lot of characters but this time there are more girls! :D
Characters who were in Airport Destiny
Kevin Woo (22) : son of a café owner, medical student
Kim Kibum (25) : Kevin's BFF, fitness coach for celebrities
Lee Junyeong / Jun (18) : senior (again)
Shin Dongho (18) : friend of William, informatics student
Lee Kiseop (24) : barista at Bonjour (Kevin's dad café)
William Lee (24) : Kiseop's twin, Emy's brother, game developer
Alexander Lee (26) : the Lees' neighbour in San Francisco
Shin Soohyun (26) : supervisor in high school
Yeo Hoonmin / Hoon (24) : pastry cook at Bonjour
Lauren Lee (18) : hotel management student, cousin of Emy, William and Kiseop, AJ's girlfriend
Kim Jaeseop / AJ (22) : psychology student
Emy Lee (17) : hotel management student, Eli's girlfriend
Eli Kim (20) : AJ's BFF, trainee pastry cook in a famous hotel
New characters of Melody And Small Sparkles
Zoe Park (23) : dance teacher
Sammy Park (22) : Zoe's and Ivy's sister
Ivy Park (17) : senior, Minyoung's BFF
Mila Jung (22): psychology student, friend of AJ
Choi Minyoung (17) : senior, Jun's classmate
Jo Eunbyul (24) : model, Jun's sunbae
Kang Yuna (27) : Soohyun's wife
PS: It took me a lot of time to find the girl's name... I hope you like them. *well you have no choice lol* I tried to add some information but not too much, otherwise it wouldn't be fun for you to read :P
